The ability to connect into other realms without the usage of psychoactive drugs. (meditation)

It is within the DNA but not always hereditary, these individuals possess a natural understanding of discipline and temperance which are necessary.

It is impossible to achieve the ability innately, since they are born with it. Once the ability is learned by controlled usage of a specific psychoactive substance or a combination of substances which vary from each individual because of different brain chemistry, one may utilize this ability in which they have learned not under influence.